Iran launches missiles at U.K.-U.S. base 2,500 miles away in the Indian Ocean, indicating Tehran has weapons with much longer range than once thought

Israel’s defense minister threatened a surge in attacks against Iran on Saturday and Britain condemned Iran for targeting a joint U.K.-U.S. base in the Indian Ocean as the war in the Middle East entered its fourth week.

The Iranian attack on the Diego Garcia air base — about 2,500 miles (4,000 kilometers) from Iran — suggested Tehran has missiles that can go farther than it had previously acknowledged.

Also Saturday, Iran’s Natanz nuclear enrichment facility was hit in an airstrike...